中证上海国企指数下跌0.16%，前十大权重包含上海银行等

Core Viewpoint - The China Securities Shanghai State-Owned Enterprises Index has experienced a decline, reflecting the overall performance of state-owned enterprises in Shanghai, with significant weight in financial and industrial sectors [1][2][3]. Group 1: Index Performance - The China Securities Shanghai State-Owned Enterprises Index fell by 0.16%, closing at 1328.54 points with a trading volume of 14.863 billion yuan [1]. - Over the past month, the index has decreased by 2.10%, by 6.29% over the last three months, and by 6.30% year-to-date [2]. Group 2: Index Composition - The top ten weighted stocks in the index include China Pacific Insurance (8.2%), Shanghai Airport (6.3%), Guotai Junan Securities (5.49%), Shanghai Bank (4.77%), and Shanghai Electric (3.57%) [2]. - The index is composed entirely of stocks listed on the Shanghai Stock Exchange, with financials making up 28.18%, industrials 23.95%, and consumer discretionary 12.50% of the holdings [3]. Group 3: Index Adjustment and Management - The index samples are adjusted biannually, with changes implemented on the next trading day following the second Friday of June and December [3]. - In special circumstances, the index may undergo temporary adjustments, such as removing stocks that are delisted or adjusting for mergers and acquisitions [3].